You should redistribute the following files together with your application which uses Wireless Communication Library

wcl2wbt.dll

This DLL from (WCL_INSTALL_DIR)\Redist\redist folder has been built with a latest WidComm SDK but it may have some issues when WidComm is used with Microsoft Bluetooth Drivers.

The wc2wbt.dll from (WCL_INSTALL_DIR)\Redist\old folder has been built with an old WidComm SDK and it is recommended to use with Proximity Marketing applications. But this DLL (from the old folder) has issue with pairing with Bluetooth 2.1 enabled devices.

The DLL must be copied to your application's folder. Also it is possible to copy this DLL to Windows SYSTEM folder.